RiverFish

Brown / sea trout · Salmo trutta

Brown / sea trout in the Crooks Beck

Largest measured brown / sea trout: 14.8 cm

The largest brown / sea trout measured in Environment Agency surveys of the Crooks Beck was 14.8 cm, recorded at 1031.10 In Warcop Village on 17 June 2026.

Across 9 measured brown / sea trout, the median measured length was 12.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Crooks Beck.

See brown / sea trout records across England →

Most recent observation17 June 20261031.10 In Warcop Village · 9 fish
Largest measured brown / sea trout
14.8 cm
Median length
12.5 cm
Fish measured
9
Survey locations
6

Individual EA measurements

Largest measured brown / sea trout

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
14.8 cm17 Jun 20261031.10 In Warcop Village182084
14.5 cm17 Jun 20261031.10 In Warcop Village182084
13.6 cm17 Jun 20261031.10 In Warcop Village182084
12.8 cm17 Jun 20261031.10 In Warcop Village182084
12.5 cm17 Jun 20261031.10 In Warcop Village182084
11.9 cm17 Jun 20261031.10 In Warcop Village182084
11.8 cm17 Jun 20261031.10 In Warcop Village182084
11.3 cm17 Jun 20261031.10 In Warcop Village182084
6.7 cm17 Jun 20261031.10 In Warcop Village182084

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brown / sea trout were found

Each point marks a survey location with at least one brown / sea trout record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding brown / sea trout
1031.10 In Warcop Village17 Jun 202617 Jun 20261
1031.60 Lowgill Beck, Hayber Beck12 Aug 200212 Aug 20133
1031.00 Hayber Beck, nr Warcop23 Jul 200212 Aug 20134
1030.50 Hayber Beck - on army range12 Aug 200214 Jul 20092
1031.55 Lowgill Beck - West View Farm9 Jun 20049 Jun 20041
1031.50 Woodend Sike, Hayber Beck12 Aug 200212 Aug 20021

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2002–2026

Survey records by year

Each bar shows how many survey visits recorded brown / sea trout that year.

Fish measured by surveyors

Measured length distribution

See how the 9 measured fish were spread across different length ranges.

Smallest
6.7 cm
Lower quarter
11.8 cm
Median
12.5 cm
Upper quarter
13.6 cm
Largest
14.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Crooks Beck

Compare other species with enough survey and measurement data for a detailed page.

European eel

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →